Author of Rob Vollman's Hockey Abstract and Hockey Abstract 2014, and co-author of the five annual Hockey Prospectus Guides.

Innovator of many advances in analytics including Player Usage Charts, Quality Starts, Setup Passes, Home Plate Save Percentage, Historical Player Projections and League Translations

Featured writer on ESPN Insider and Hockey Prospectus since 2009, and Bleacher Report since 2013.

Radio guest in 11 NHL cities, podcasts in 6 cities, and on five national programs, including Hockey Night in Canada radio

Twitter: @robvollmanNHL
Website: http://www.hockeyabstract.com

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  • Walter Foddis posted 81 days ago

    Walter Foddis

    Rob, I have a question about quality of competition. I've been hearing that, based on analysis, quality of competition doesn't seem to matter as much as we believed. I did some of this analysis myself looking at whether QoC is correlated with Corsi Relative to Teammates (David Johnson's data on puckalytics) and when I regressed QoC, QoT, and zone starts on CorsiRelTM (for & against), the latter two had significant regression coefficients, but not Qoc. I noticed, though, that these aggregated values of QoC vary little between players. I presume that's because, across games, players QoC can vary quite a lot, even if they are consistently pitted against the toughest competition of each team.

    But when I look at individual games (Oilers games), I notice that some lines consistently out-posses any Oiler against them (e.g., the Sedins, Kopitar's line). So I'm wondering, has there any analysis been done on the affect of QoC on a game-by-game basis within player? So I look a player A (e.g., Petry) and include the possession match-ups from every game, assign a QoC value to each match-up (e.g., CF%), and then do correlation of this particular player over 82 games. Do you know of any such analysis? Am I making sense?

  • Rob Vollman posted 323 days ago

    Rob Vollman

    Thanks for your question Mark, but it's like asking me if power play and goaltending is so important then how come Washington didn't win more games. Just because something is important doesn't mean that it's the only thing that matters. And there were 13 teams who didn't beat the Ducks in regulation this year, six of whom made the playoffs. I hope that helps.

  • Mark Wooster posted 333 days ago

    Mark Wooster

    Rob -- if puck possession is so extremely important, why didn't the Kings win more games in the regular season? Why couldn't they beat the Ducks even one time in regulation? P.S. San Jose did lose because they are choke artists.

  • Rob Vollman posted 405 days ago

    Rob Vollman

    Hi Hacobo, I'd say it was the 1970s Canadiens and the late 90s Red Wings. I actually enjoyed the late 80s Flyers too. Among today's teams the Hawks are really fun to watch.

  • Hacobo posted 419 days ago


    Dear Rob, who is your favourite team?

  • Rob Vollman posted 442 days ago

    Rob Vollman

    Thanks Kent. Good question. Perhaps in a future book I'll look at who is the greatest goal scorer. Then I can use the same approach, and look for playmakers who had unusually high assist totals. It won't find Backstrom, of course, since he played several seasons with Ovechkin. But it might find other "one-hit wonders" whose assists totals were boosted by a great sniper.

  • kent vanhoeven posted 444 days ago

    kent vanhoeven

    Rob. I wanted to bring to your attention something I've been thinking about. There was mention in your abstract of great set-up men boasting their line-mates point totals, primarily in the form of goals. What I wanted to bring up, and I apologize if I missed this, is the possibility that great goal scorers are bringing up the assist totals of their line-mates. Both these concepts are possibly obvious, great players make their teammates better. As an example think of Ovechkin and Backstrom. Who is making who better?

  • Rob Vollman posted 469 days ago

    Rob Vollman

    Thanks Kent, I'm glad the book hit the mark. It was truly a labour of love.

    There's direct contact information on my Hockey Abstract website if you have any questions.